Related by context. Frequent words. (Click for all words.) 63 inbreeding 57 Predation 56 Toxoplasmosis 55 Diseased 55 Cannibalism 55 overbreeding 54 Domesticated 53 Promiscuity 52 Parasitic 51 developmental abnormalities 51 Baldness 50 parasitic worm 50 Extinct 50 Overpopulation 50 Toxoplasma 49 Deformed 49 Distemper 49 congenital disorders 49 Mutated 49 Domestication 48 Strangles 48 Mating 48 Bubonic Plague 48 parasitic mites 48 Reproducing 48 parasitism 48 Fossilized 48 fungal pathogen 48 mongooses 48 protozoan 48 feathered dinosaurs 48 Euthanized 48 kuru 47 Prejudices 47 asexual reproduction 47 reproduce asexually 47 sexual dimorphism 47 chytrid fungus 47 platypuses 47 overhunting 47 Hypothyroidism 47 Parasites 47 Cloned 47 Infanticide 46 Mitochondrial 46 lynxes 46 Bubonic plague 46 Infestations 46 hermaphroditic 46 Scrapie 46 Fungal 46 Genetically 46 genetic variability 46 Ostriches 46 Neuronal 45 Prions 45 Stunted 45 Mutation 45 Chromosomal 45 Toxoplasma gondii 45 interbreeding 45 Carnivorous 45 prion disease 45 Droppings 45 Spaying 45 hermaphrodites 45 Parasite 45 Heredity 45 Yersinia 45 Rodents 45 anteaters 45 Flesh eating 45 tick borne 45 Brain Cells 45 Bestiality 45 Unvaccinated 45 Mitochondrial DNA 45 nutritional deficiency 45 crossbreeds 45 Yersinia pestis 45 Monkeypox 44 Plague 44 Rarest 44 Endemic 44 parasitic infections 44 Bacterium 44 sapiens 44 recessive genes 44 extirpation 44 Lemurs 44 offspring 44 humans 44 Tularemia 44 Disease 44 Misdiagnosis 44 Embryos 44 fecundity 44 tameness 44 genetic diversity 44 Varroa mite 44 Chlamydia pneumoniae